System Bus access version and Specification versions

[Colin Bates]

Hi,

We have a debug module developed in house that was designed to implement the RISC-V External Debug Support specification 0.13, dated 2nd Feb 2017. Our debug module implements the System Bus Access module. There have been a few changes to the System Bus Control/Status register specification since the 2nd Feb 2017. One thing I notice is the current specification has a sbversion, which I assume signifies the whether the older version with sbsingleread and sdautoread is implemented or the new version with sdreadondata, sdreadonaddr, sdbusyerror and sdbusy.

My question is whether support for sbsingleread and sdautoread still present in the current RISC-V OpenOCD or has this been dropped?

Regards,

Colin

[Tim Newsome]

OpenOCD supports both system bus version 0 and version 1.

Tim

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